Transport exhaust emissions (ICS code(s): 13.040.50); Commercial vehicles (ICS code(s): 43.080)

Draft Ministerial Regulation Prescribing Industrial Products for Heavy Motor Vehicles Equipped with Positive Ignition Engines to Conform to the Standard B.E. .... ; (21 page(s), in Thai)

The draft Ministerial Regulation mandates heavy motor vehicles equipped with positive ignition engines to conform to the Thai Industrial Standard TIS 3044-2563(2020) Heavy Motor Vehicle Equipped with Positive Ignition Engines: Safety Requirements; Emission from Engine, level 4.

This standard shall apply to motor vehicles of categories M1 M2 N1 and N2 with positive ignition engines and a reference mass exceeding 2,610 kg and to all motor vehicles of catagories M3 and N3.

This standard specifies safety requirements for pollutants, durability of pollution control devices and on-board diagnostic (OBD) system. The type approval of a completed vehicle given under this standard shall be extended to its incomplete vehicle with a reference mass below 2,610 kg. Type approvals shall be extended if the manufacturer can demonstrate that all bodywork combinations expected to be built onto the incomplete vehicle increase the reference mass of the vehicle to above 2,610 kg.

The type approval of a vehicle granted under this standard shall be extended to its variants and versions with a reference mass above 2,380 kg provided that it also meets the requirements relating to the measurement of greenhouse gas emissions and fuel consumption in accordance with paragraph 4.2 of UN Regulation No. 49 Revision 6.

This standard does not cover vehicle emissions testing with Portable Emissions Measurement Systems (PEMS).

* Vehicles of categories M1 M2 M3 N1 N2 and N3 are as defined in TIS 2390-2563.